British archaeologists recently discovered more than 40 German U-boats sunk during World War I off the coast of England. Now they are in a race against time to learn the secrets hidden in their watery graves.On the old game show "What's My Line?" Briton Mark Dunkley might have been described with the following words: "He does what many adventurers around the world can only dream of doing."Dunkley is an underwater archeologist who dives for lost treasures. His most recent discoveries were anything if not eerie.On the seafloor along the southern and eastern coasts of the UK, Dunkley and three other divers have found one of the largest graveyards in the world's oceans, with 41 German and three English submarines from World War I. Most of the submarines sank with their crews still on board, causing many sailors to die in horrific ways, either by drowning or suffocating in the cramped and airtight submarines....

Explorers are launching a new project to locate dozens of British and German submarines which sank off the coast of England during the First World War, as part of a major new study to mark the centenary of the conflict.The English Heritage research will involve identification and analysis of all submarine shipwrecks from the period which are within territorial waters - 12 miles from the coast.Preliminary research by the team, studying historical records, has already identified three British and 41 German submarines from the conflict which are known to have sunk in the area.The locations of some of these have already been established, but others have yet to be discovered....

It was perhaps one of the most hazardous roles of the First World War – acting as bait for German submarines.But that was exactly the job of HMS Stock Force, one of the Royal Navy’s top secret “Q-ships” or “Mystery Ships” – specially adapted decoy vessels with concealed guns, which lured U-boats to the surface and then engaged them in a deadly duel.The Stock Force was sunk in just such a clash, in what became one of the war’s most celebrated naval encounters, which led to its captain, Lieutenant Harold Auten, receiving the Victoria Cross, and inspired an early action film....